mirror of https://github.com/nocodb/nocodb
Braks
2 years ago
committed by
GitHub
3 changed files with 303 additions and 113 deletions
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import type { MaybeRef } from '@vueuse/core' |
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import { UITypes } from 'nocodb-sdk' |
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import { message, reactive, unref, useCopy, useEventListener, useI18n } from '#imports' |
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interface SelectedBlock { |
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row: number | null |
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col: number | null |
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} |
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/** |
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* Utility to help with multi-selecting rows/cells in the smartsheet |
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*/ |
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export function useMultiSelect( |
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fields: MaybeRef<any[]>, |
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data: MaybeRef<any[]>, |
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editEnabled: MaybeRef<boolean>, |
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isPkAvail: MaybeRef<boolean>, |
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clearCell: Function, |
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makeEditable: Function, |
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) { |
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const { t } = useI18n() |
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const { copy } = useCopy() |
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const selected = reactive<SelectedBlock>({ row: null, col: null }) |
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// save the first and the last column where the mouse is down while the value isSelectedRow is true
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const selectedRows = reactive({ startCol: NaN, endCol: NaN, startRow: NaN, endRow: NaN }) |
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// calculate the min and the max column where the mouse is down while the value isSelectedRow is true
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const rangeRows = reactive({ minRow: NaN, maxRow: NaN, minCol: NaN, maxCol: NaN }) |
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// check if mouse is down or up false=mouseup and true=mousedown
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let isSelectedBlock = $ref(false) |
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const columnLength = $computed(() => unref(fields)?.length) |
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function selectCell(row: number, col: number) { |
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clearRangeRows() |
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selected.row = row |
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selected.col = col |
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} |
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function selectBlock(row: number, col: number) { |
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// if selected.col and selected.row are null and isSelectedBlock is true that means you are selecting a block
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if (selected.col === null || selected.row === null) { |
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if (isSelectedBlock) { |
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// save the next value after the selectionStart
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selectedRows.endCol = col |
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selectedRows.endRow = row |
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} |
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} else if (selected.col !== col || selected.row !== row) { |
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// if selected.col and selected.row is not null but the selected col and row is not equal at the row and col where the mouse is clicking
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// and isSelectedBlock is true that means you are selecting a block
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if (isSelectedBlock) { |
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selected.col = null |
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selected.row = null |
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// save the next value after the selectionStart
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selectedRows.endCol = col |
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selectedRows.endRow = row |
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} |
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} |
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} |
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function selectedRange(row: number, col: number) { |
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if ( |
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!isNaN(selectedRows.startRow) && |
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!isNaN(selectedRows.startCol) && |
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!isNaN(selectedRows.endRow) && |
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!isNaN(selectedRows.endCol) |
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) { |
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// check if column selection is up or down
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rangeRows.minRow = Math.min(selectedRows.startRow, selectedRows.endRow) |
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rangeRows.maxRow = Math.max(selectedRows.startRow, selectedRows.endRow) |
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rangeRows.minCol = Math.min(selectedRows.startCol, selectedRows.endCol) |
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rangeRows.maxCol = Math.max(selectedRows.startCol, selectedRows.endCol) |
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// return if the column is in between the selection
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return col >= rangeRows.minCol && col <= rangeRows.maxCol && row >= rangeRows.minRow && row <= rangeRows.maxRow |
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} else { |
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return false |
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} |
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} |
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function startSelectRange(event: MouseEvent, row: number, col: number) { |
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// if editEnabled but the selected col or the selected row is not equal like the actual row or col, enabled selected multiple rows
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if (unref(editEnabled) && (selected.col !== col || selected.row !== row)) { |
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event.preventDefault() |
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} else if (!unref(editEnabled)) { |
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// if editEnabled is not true, enabled selected multiple rows
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event.preventDefault() |
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} |
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// clear the selection when the mouse is down
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selectedRows.startCol = NaN |
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selectedRows.endCol = NaN |
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selectedRows.startRow = NaN |
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selectedRows.endRow = NaN |
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// asing where the selection start
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selectedRows.startCol = col |
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selectedRows.startRow = row |
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isSelectedBlock = true |
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} |
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function clearRangeRows() { |
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// when the selection starts or ends or when enter/arrow/tab is pressed
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// this clear the previous selection
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rangeRows.minCol = NaN |
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rangeRows.maxCol = NaN |
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rangeRows.minRow = NaN |
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rangeRows.maxRow = NaN |
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selectedRows.startRow = NaN |
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selectedRows.startCol = NaN |
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selectedRows.endRow = NaN |
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selectedRows.endCol = NaN |
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} |
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useEventListener(document, 'mouseup', (e) => { |
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// if the editEnabled is false prevent the mouseup event for not select text
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if (!unref(editEnabled)) { |
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e.preventDefault() |
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} |
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isSelectedBlock = false |
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}) |
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const onKeyDown = async (e: KeyboardEvent) => { |
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if ( |
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!isNaN(selectedRows.startRow) && |
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!isNaN(selectedRows.startCol) && |
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!isNaN(selectedRows.endRow) && |
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!isNaN(selectedRows.endCol) |
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) { |
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// In case the user press tabs or arrows keys
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selected.row = selectedRows.startRow |
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selected.col = selectedRows.startCol |
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} |
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if (selected.row === null || selected.col === null) return |
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/** on tab key press navigate through cells */ |
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switch (e.key) { |
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case 'Tab': |
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e.preventDefault() |
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clearRangeRows() |
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if (e.shiftKey) { |
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if (selected.col > 0) { |
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selected.col-- |
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} else if (selected.row > 0) { |
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selected.row-- |
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selected.col = unref(columnLength) - 1 |
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} |
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} else { |
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if (selected.col < unref(columnLength) - 1) { |
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selected.col++ |
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} else if (selected.row < unref(data).length - 1) { |
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selected.row++ |
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selected.col = 0 |
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} |
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} |
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break |
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/** on enter key press make cell editable */ |
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case 'Enter': |
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e.preventDefault() |
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clearRangeRows() |
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makeEditable(unref(data)[selected.row], unref(fields)[selected.col]) |
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break |
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/** on delete key press clear cell */ |
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case 'Delete': |
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if (!unref(editEnabled)) { |
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e.preventDefault() |
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clearRangeRows() |
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await clearCell(selected as { row: number; col: number }) |
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} |
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break |
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/** on arrow key press navigate through cells */ |
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case 'ArrowRight': |
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e.preventDefault() |
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clearRangeRows() |
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if (selected.col < unref(columnLength) - 1) selected.col++ |
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break |
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case 'ArrowLeft': |
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clearRangeRows() |
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e.preventDefault() |
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clearRangeRows() |
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if (selected.col > 0) selected.col-- |
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break |
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case 'ArrowUp': |
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clearRangeRows() |
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e.preventDefault() |
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clearRangeRows() |
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if (selected.row > 0) selected.row-- |
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break |
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case 'ArrowDown': |
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clearRangeRows() |
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e.preventDefault() |
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clearRangeRows() |
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if (selected.row < unref(data).length - 1) selected.row++ |
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break |
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default: |
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{ |
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const rowObj = unref(data)[selected.row] |
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const columnObj = unref(fields)[selected.col] |
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let cptext = '' // variable for save the text to be copy
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if (!isNaN(rangeRows.minRow) && !isNaN(rangeRows.maxRow) && !isNaN(rangeRows.minCol) && !isNaN(rangeRows.maxCol)) { |
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const cprows = unref(data).slice(rangeRows.minRow, rangeRows.maxRow + 1) // slice the selected rows for copy
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const cpcols = unref(fields).slice(rangeRows.minCol, rangeRows.maxCol + 1) // slice the selected cols for copy
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cprows.forEach((row) => { |
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cpcols.forEach((col) => { |
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// todo: JSON stringify the attachment cell and LTAR contents for copy
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// filter attachment cells and LATR cells from copy
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if (col.uidt === UITypes.Attachment || col.uidt === UITypes.LinkToAnotherRecord) { |
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cptext = `${cptext} ${row.row[col.title]} \t` |
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} |
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}) |
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cptext = `${cptext.trim()}\n` |
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}) |
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cptext.trim() |
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} else { |
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cptext = rowObj.row[columnObj.title] || '' |
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} |
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if ((!unref(editEnabled) && e.metaKey) || e.ctrlKey) { |
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switch (e.keyCode) { |
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// copy - ctrl/cmd +c
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case 67: |
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await copy(cptext) |
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break |
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} |
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} |
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if (unref(editEnabled) || e.ctrlKey || e.altKey || e.metaKey) { |
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return |
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} |
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/** on letter key press make cell editable and empty */ |
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if (e.key.length === 1) { |
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if (!unref(isPkAvail) && !rowObj.rowMeta.new) { |
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// Update not allowed for table which doesn't have primary Key
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return message.info(t('msg.info.updateNotAllowedWithoutPK')) |
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} |
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if (makeEditable(rowObj, columnObj)) { |
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rowObj.row[columnObj.title] = '' |
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} |
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// editEnabled = true
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} |
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} |
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break |
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} |
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} |
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useEventListener(document, 'keydown', onKeyDown) |
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return { |
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selectCell, |
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selectBlock, |
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selectedRange, |
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clearRangeRows, |
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startSelectRange, |
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selected, |
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selectedRows, |
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rangeRows, |
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} |
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} |
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